Covid-19 was the most serious issue in the past two years, and it has influenced many industries a lot. However, little research had qualified and predicted the influence of Covid-19 that had and will have on daily chemical industry. Therefore, this project focuses on the analysis of financial performance of two major daily chemical companies in the pandemic period. In this research, DuPont and Classification analysis were used in the data calculation and measurement, comparison analysis was used while comparing the difference of financial performance between the two companies this study chooses, while the prediction method was applied when predicting the future development. Our research find that GDP decrease dramatically during 2019-2020, to a negative growth. In terms of the daily chemical industry, one of the most major companies, Jahwa faced more challenge in the operating activities, while L'Oreal still have a great potential although it also has been affected in the pandemic period.